Vol. 8 No. 1 (2019)
Published:
2019-04-18
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https://doi.org/10.24252/jpm.v8i1.7331 Views: 412 / PDF Downloads: 132 / PDF Downloads: 0 / PDF Downloads: 0 / PDF Downloads: 0
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https://doi.org/10.24252/jpm.v8i1.6578 Views: 291 / PDF Downloads: 130